<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <script src="js/message.js"></script>
    <title>登陆</title>
    <style>
        :root {
            /* COLORS */
            --white: #eef7fa;
            --gray: #577c8a;
            --blue: #0077be;
            --lightblue: #00a8e8;

            /* RADII */
            --button-radius: 0.7rem;

            /* SIZES */
            --max-width: 758px;
            --max-height: 420px;

            font-size: 16px;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
            Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
        }

        body {
            align-items: center;
            background-size: cover;
            display: grid;
            height: 100vh;
            place-items: center;
        }

        .form__title {
            font-weight: 300;
            margin: 0 0 1.25rem;
        }

        .link {
            color: var(--gray);
            font-size: 0.9rem;
            margin: 1.5rem 0;
            text-decoration: none;
        }

        .container {
            background-color: var(--white);
            border-radius: var(--button-radius);
            box-shadow: 0 0.9rem 1.7rem rgba(0, 0, 0, 0.25),
            0 0.7rem 0.7rem rgba(0, 0, 0, 0.22);
            height: var(--max-height);
            max-width: var(--max-width);
            overflow: hidden;
            position: relative;
            width: 100%;
        }

        .container__form {
            height: 100%;
            position: absolute;
            top: 0;
            transition: all 0.6s ease-in-out;
        }

        .container--signin {
            left: 0;
            width: 50%;
            z-index: 2;
        }

        .container.right-panel-active .container--signin {
            transform: translateX(100%);
        }

        .container--signup {
            left: 0;
            opacity: 0;
            width: 50%;
            z-index: 1;
        }

        .container.right-panel-active .container--signup {
            animation: show 0.6s;
            opacity: 1;
            transform: translateX(100%);
            z-index: 5;
        }

        .container__overlay {
            height: 100%;
            left: 50%;
            overflow: hidden;
            position: absolute;
            top: 0;
            transition: transform 0.6s ease-in-out;
            width: 50%;
            z-index: 100;
        }

        .container.right-panel-active .container__overlay {
            transform: translateX(-100%);
        }

        .overlay {
            background: var(--lightblue) url("https://cdn.pixabay.com/photo/2018/08/14/13/23/ocean-3605547_1280.jpg") no-repeat fixed center;
            background-size: cover;
            height: 100%;
            left: -100%;
            position: relative;
            transform: translateX(0);
            transition: transform 0.6s ease-in-out;
            width: 200%;
        }

        .container.right-panel-active .overlay {
            transform: translateX(50%);
        }

        .overlay__panel {
            align-items: center;
            display: flex;
            flex-direction: column;
            height: 100%;
            justify-content: center;
            position: absolute;
            text-align: center;
            top: 0;
            transform: translateX(0);
            transition: transform 0.6s ease-in-out;
            width: 50%;
        }

        .overlay--left {
            transform: translateX(-20%);
        }

        .container.right-panel-active .overlay--left {
            transform: translateX(0);
        }

        .overlay--right {
            right: 0;
            transform: translateX(0);
        }

        .container.right-panel-active .overlay--right {
            transform: translateX(20%);
        }

        .btn {
            background-color: var(--blue);
            background-image: linear-gradient(90deg, var(--blue) 0%, var(--lightblue) 74%);
            border-radius: 20px;
            border: 1px solid var(--blue);
            color: var(--white);
            cursor: pointer;
            font-size: 0.8rem;
            font-weight: bold;
            letter-spacing: 0.1rem;
            padding: 0.9rem 4rem;
            text-transform: uppercase;
            transition: transform 80ms ease-in;
        }

        .form > .btn {
            margin-top: 1.5rem;
        }

        .btn:active {
            transform: scale(0.95);
        }

        .btn:focus {
            outline: none;
        }

        .form {
            background-color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            padding: 0 3rem;
            height: 100%;
            text-align: center;
        }

        .input {
            background-color: #fff;
            border: none;
            padding: 0.9rem 0.9rem;
            margin: 0.5rem 0;
            width: 100%;
        }

        @keyframes show {

            0%,
            49.99% {
                opacity: 0;
                z-index: 1;
            }

            50%,
            100% {
                opacity: 1;
                z-index: 5;
            }
        }
    </style>
</head>

<body style="background-color: #eaeef1">
<div class="container">
    <!-- 注册 -->
    <div class="container__form container--signup">
        <form action="#" class="form" id="form1">
            <h2 class="form__title">注册</h2>
            <input type="text" placeholder="用户名" class="input" id="registerName" required/>
            <input type="email" placeholder="电子邮箱" class="input" id="registerEmail" required/>
            <input type="password" placeholder="密码" class="input" id="registerPassword" required/>
            <button class="btn" id="registerBtn">注册</button>
        </form>
    </div>

    <!-- 登录 -->
    <div class="container__form container--signin">
        <form action="#" class="form" id="form2">
            <h2 class="form__title">登录</h2>
            <input type="email" placeholder="电子邮箱" class="input" id="loginEmail" required/>
            <input type="password" placeholder="密码" class="input" id="loginPassword" required/>
            <a href="#" class="link">忘记密码？</a>
            <button class="btn" id="loginBtn">登录</button>
        </form>
    </div>

    <!-- 覆盖层 -->
    <div class="container__overlay">
        <div class="overlay">
            <div class="overlay__panel overlay--left">
                <button class="btn" id="signIn">登录</button>
            </div>
            <div class="overlay__panel overlay--right">
                <button class="btn" id="signUp">注册</button>
            </div>
        </div>
    </div>
</div>

<script>
    const signInBtn = document.getElementById("signIn");
    const signUpBtn = document.getElementById("signUp");
    const registerForm = document.getElementById("form1");
    const secondForm = document.getElementById("form2");
    const container = document.querySelector(".container");

    signInBtn.addEventListener("click", () => {
        container.classList.remove("right-panel-active");
    });

    signUpBtn.addEventListener("click", () => {
        container.classList.add("right-panel-active");
    });

    registerForm.addEventListener("submit", (e) => e.preventDefault());
    secondForm.addEventListener("submit", (e) => e.preventDefault());

    // 绑定登录按钮的点击事件
    const loginBtn = document.getElementById("loginBtn");
    loginBtn.addEventListener("click", () => {
        // console.log("点击了登录按钮，进行登录");
        login()
    });

    // 绑定注册按钮的点击事件
    const registerBtn = document.getElementById("registerBtn");
    registerBtn.addEventListener("click", () => {
        // console.log("点击了注册按钮，进行注册");
        register()
    });

    // 登录
    const login = () => {
        // console.log("进行登录");
        if (!secondForm.checkValidity()) {
            // 如果表单不合法，就不发送请求
            return;
        }
        const email = $("#loginEmail").val();
        const password = $("#loginPassword").val();
        // 如果表单合法，就发送请求
        $.ajax({
            url: "login",
            type: "POST",
            data: {
                email: email,
                password: password
            },
            success: function(response) {
                if (response.code === 200) {
                    // console.log(response)

                    // 存储数据
                    sessionStorage.setItem('name', response.data.name);
                    sessionStorage.setItem('id', response.data.id);

                    // 获取数据，测试
                    // const value = sessionStorage.getItem('id');
                    // alert("用户ID为" + value)

                    window.location.href = "main.html";
                } else {
                    message.warn(response.msg)
                }
            },
            error: function() {
                alert("发生错误，请稍后再登陆");
            }
        });
    }

    // 登录
    const register = () => {
        if (!registerForm.checkValidity()) {
            // 如果表单不合法，就不发送请求
            return;
        }
        const email = $("#registerEmail").val();
        const password = $("#registerPassword").val();
        const name = $("#registerName").val();
        // 如果表单合法，就发送请求
        $.ajax({
            url: "register",
            type: "POST",
            data: {
                email: email,
                password: password,
                name: name
            },
            success: function(response) {
                if (response.code === 200) {
                    // console.log(response)

                    // 存储数据
                    sessionStorage.setItem('name', response.data.name);
                    sessionStorage.setItem('id', response.data.id);

                    // 获取数据，测试
                    // const value = sessionStorage.getItem('id');
                    // alert("用户ID为" + value)

                    window.location.href = "main.html";
                } else {
                    message.error(response.msg)
                }
            },
            error: function() {
                alert("发生错误，请稍后再注册");
            }
        });
    }

</script>
</body>

</html>
